[TUNTAP]: Fix wrong debug message.

This is a trivial fix of debug message.
When a persist flag is set, the message should say "enabled".

Signed-off-by: Toyo Abe <tabe@miraclelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 1f76446..f8b8c71 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -610,7 +610,7 @@
 			tun->flags &= ~TUN_PERSIST;
 
 		DBG(KERN_INFO "%s: persist %s\n",
-		    tun->dev->name, arg ? "disabled" : "enabled");
+		    tun->dev->name, arg ? "enabled" : "disabled");
 		break;
 
 	case TUNSETOWNER: